6
NC
7
NC
8
NC/+5V/+12V
9
GND
2.4.14
COM Port 4 (CN15)
Pin
Pin Name
1
DCD
2
DSR
3
RX
4
RTS
5
TX
6
CTS
7
DTR
8
RI
9
GND
Chapter 2 – Hardware Information
PWR
+5V/+12V
GND
DCD
DSR
RX
RTS
TX
CTS
DTR
RI
GND
Signal Type
Signal Level
IN
IN
IN
OUT
± 9V
OUT
± 9V
IN
OUT
± 9V
IN
GND
35